<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="on.css">
</head>
<body>
    <div class="box">
        <form action="">
            <h3>用户登录</h3>
            <div class="box1">
                <input type="text" placeholder="请输入用户名">
                <input type="password" placeholder="请输入密码">
            </div>
            <a href="#" class="check">点击验证</a>
            <div class="box2">
                <lable class="rem">
                    <input type="checkbox" class="rem"><span>记住密码</span>
                </lable>
                <a href="#" class="for">忘记密码?</a>
            </div>
            <div class="box3">
                <input type="submit" value="登录" class="on">
                <sapn>或</sapn>
                <a href="" class="">使用其他登录</a>
            </div>
            <div class="box4">
                <p>还没有账号?<a href="">立即注册</a></p>
            </div>
        </form>
    </div>
</body>
</html>